By Rowan Hooper
A disabled fin whale that has become a mascot for a marine sanctuary in the Mediterranean has suffered a second disaster. After losing half its tail in a collision with a ship, it has now lost the other half, possibly after another collision, or after getting caught in fishing line.
Strikes by ships and entanglement in fishing gear are the leading threats to whale populations globally, according to a report by the International Whaling Commission (IWC).
Fin whales are the world’s second-largest animal …